Trigger Point Injections Versus Lidocaine Patch for Myofascial Pain in the Emergency Department

Trial ID or NCT#



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The aim of this trial is to investigate the efficacy of trigger point injections with 1% lidocaine in reducing myofascial back and neck pain in the Emergency Department compared to lidocaine patches 5%.

Official Title

A Randomized Controlled Study Comparing Trigger Point Injections With 1% Lidocaine Versus 5% Lidocaine Patch for Myofascial Pain in the Emergency Department

Eligibility Criteria

Ages Eligible for Study: Older than 18 Years
Sexes Eligible for Study: All
Accepts Healthy Volunteers: Yes
Inclusion Criteria:
  1. - 18 years or older - Diagnosed with myofascial pain of the posterior neck or back. *The diagnosis of myofascial pain was based on established criteria of having a palpable taut band (trigger point) that when depressed reproduced the patient's pain.
Exclusion Criteria:
  1. - midline spinal tenderness - evidence of radiculopathy - pregnant - have an allergy to lidocaine - altered or deemed incapable of making informed consent - had signs of infection or skin breakdown over the trigger point.


Jon B. Lee, MD
Jon B. Lee, MD
Pain management specialist, Emergency medicine doctor
Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine